Jaehun Park's Allright Class
A complete A-to-Z bodybuilding class from IFBB Pro Jaehun Park, designed for trainees who want practical execution standards across training, diet, and body-part detail.
Artist
The English detail page now follows the same purchase-page flow as the Korean mall: artist introduction first, then class detail, then reviews.
Jaehun Park
IFBB PRO and Allright Class instructor. The class is built from real bodybuilding preparation, contest experience, and practical coaching detail for serious trainees.
Class Info
A full-body curriculum covering preparation, back, shoulders, lower body, chest, and arms.
Prep & Back
- Bulking, cutting, split planning, and diet basics
- Deadlift, pull-up, rowing, lats, and trap execution
Chest & Arms
- Bench press, incline pressing, fly variations, and dips
- Biceps and triceps execution for practical arm development
Shoulders & Lower Body
- Overhead press, lateral/rear delt work, and face pulls
- Squat, leg press, hamstrings, glutes, and calves
Curriculum & Free Samples
Preview 6 free sample videos and scan the full 54-lesson curriculum before checkout.
Prep & Back
How Should You Train Your Back?
Prep - Bulking and Cutting
Prep - Training Split
Prep - Diet
Back Coordination - Deadlift
Back Coordination - Pull-Up
Back Coordination - Barbell Row
Upper Traps - Shrug
Mid/Lower Traps - Wide-Grip Seated Row
Mid/Lower Traps - Incline Bench Dumbbell Row
Lats - Lat Pulldown
Lats - T-Bar Row
Lats - One-Arm Dumbbell Row
Lats - Seated Row
Lats - Straight-Arm Pulldown
Lats - One-Arm Cable Pulldown
Chest & Arms
How to Build a Powerful Chest
Understanding Arm Training
Chest Coordination - Bench Press
Upper Chest - Incline Barbell Press
Upper Chest - Incline Machine Press
Upper Chest - Incline Dumbbell Press
Mid Chest - Dumbbell Fly
Mid Chest - Pec Deck Fly
Mid Chest - Cable Crossover
Lower Chest - Dips
Biceps - Barbell Curl, Alternate Curl, Hammer Curl
Biceps - Machine Preacher Curl
Biceps - Cable Curl
Triceps - Close-Grip Bench Press
Triceps - Lying Triceps Extension
Triceps - Cable Pushdown
Shoulders & Lower Body
Understanding Shoulder Training for a Wider Frame
Lower Body: The Root of Your Physique
Shoulder Coordination - Overhead Press
Front Delts - Seated Barbell Press
Front Delts - Machine Shoulder Press
Front Delts - Cable Front Raise
Side Delts - Side Lateral Raise
Rear Delts - Bent-Over Raise
Rear Delts - Reverse Pec Deck Fly
Rear Delts - Face Pull
Lower Body Coordination - Squat
Quadriceps - Leg Extension
Quadriceps - Hack Squat
Quadriceps - Leg Press
Adductors - Hip Adduction
Hamstrings - Leg Curl
Hamstrings - Stiff-Leg Deadlift
Glutes - Hip Abduction
Glutes - Split Squat
Glutes - Hip Thrust
Calves - Calf Raise
Reviews
Short translated review previews from the feedback board. Full feedback posts remain private to their original author.
A trainee shares body stats and current training history while asking for detailed guidance on training direction.
A highly motivated trainee shares body composition and strength numbers and asks how to take training more seriously.
A recreational trainee who supports Jaehun Park asks for help because training feels more complex the deeper they get into it.
A trainee with nearly two years of training experience asks for feedback on building a stronger physique.
An office worker training as a hobby shares current body stats and training background for feedback.
A student preparing for military service shares a six-day routine and asks how to keep training effectively.
A member asks how to handle imbalance and left-side bias during lat pulldowns and back training.
A member asks for a clearer explanation of back muscles, including lats and traps, and the main functions of the chest.
A student following the lectures asks how to feel back-row stimulation evenly, especially on the left side.
A trainee shares body stats, training experience, and current routine for review.
A member asks about shoulder pinching during the external-rotation portion of face pulls.
A trainee with less than a year of weight-training experience asks for squat-form feedback.
Notice
Purchase conditions, payment guidance, and refund standards are collected in one notice area for overseas buyers.
Before Purchase
Please review the purchase notice before checkout. It covers payment guidance, refund standards, course access, and video playback proof in one place.